1、 IEC TS 61169-1-51 Edition 1.0 2020-10 TECHNICAL SPECIFICATION Radio frequency connectors Part 1-51:Technical specification of electrical tests Uncertainty specification of frequency domain test for return loss IEC TS 61169-1-51:2020-10(en)colourinside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyrig
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9、cted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries have been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC TS 61169-1-51 Edition 1.0 2020-10 TECHNICAL SPECIFICATION Radio frequency connectors Part 1-51:Technical specification of elect
10、rical tests Uncertainty specification of frequency domain test for return loss INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 33.120.30 ISBN 978-2-8322-8928-0 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized
11、distributor.colourinside 2 IEC TS 61169-1-51:2020 IEC 2020 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references.6 3 Terms and definitions.7 4 Units,symbols and dimensions.7 4.1 Units and symbols.7 5 Report characteristics.7 6 Return loss in frequency domain tests.7 6.1 Parameters.7 6.
12、2 General considerations.7 6.3 Test equipment.8 6.3.1 General requirement.8 6.3.2 VNA calibration uncertainty.8 6.3.3 Terminating load specification.9 6.3.4 Other test conditions.10 6.3.5 Total test uncertainty.10 Annex A(informative)Estimation of VNA uncertainty specifications from commercial stand
13、ard devices.11 A.1 Estimation from calibration certificate.11 A.2 Estimation from data/specification sheet.11 Bibliography.13 Figure 1 Graphical symbols.8 Figure 2 Graphical principle.8 Figure 3 VNA measurement model.8 IEC TS 61169-1-51:2020 IEC 2020 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ RAD
14、IO FREQUENCY CONNECTORS Part 1-51:Technical specification of electrical tests Uncertainty specification of frequency domain test for return loss FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical commi
15、ttees(IEC National Committees).The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields.To this end and in addition to other activities,IEC publishes International Standards,Technical Specifications,Technical Repor
16、ts,Publicly Available Specifications(PAS)and Guides(hereafter referred to as“IEC Publication(s)”).Their preparation is entrusted to technical committees;any IEC National Committee interested in the subject dealt with may participate in this preparatory work.International,governmental and non-governmental organizations liaising with the IEC also participate in this preparation.IEC collaborates closely with the International Organization for Standardization(ISO)in accordance with conditions determ
